Question

How many days will A and B take to complete the job if A can do the job in 12 days and B can do the same job in 6 days?

Answer 1

Answer:

Please mark me brainlist

Step-by-step explanation:

A and B together can do a job in 12 days. B alone can finish it in 28 days. So, A alone can do it in 84/8 = 21 days.